One is blood lymph that offers some useful materials for the oocyte to synthesize vitelline material directly through follicle cell gaps;
它包括两部分物质来源：一部分是由血淋巴通过滤泡细胞间隙向卵母细胞提供合成卵黄物质；
One is blood lymph that offers some useful materials for the oocyte to synthesize vitelline material directly through follicle cell gaps;
它包括两部分物质来源：一部分是由血淋巴通过滤泡细胞间隙向卵母细胞提供合成卵黄物质；
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